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We explain categories of CMS available to law firms, the criteria driving the decision, the specific platforms in each category with their honest tradeoffs, and how we choose CMS for our own client projects.
The CMS question gets asked at the wrong time. Most law firms start thinking about which content management system to use after the design is approved, the developer is selected, and the timeline is set. By then, the architectural consequences of the choice are already locked in, and the decision is reduced to "what do you have experience with?"
This is backward. CMS choice is not a technology question. It is a governance question. It determines who can edit what, how content flows from draft to publication, how the website integrates with the firm's other systems, how vulnerable it is to attack, and how expensive it will be to maintain over the website's lifetime - which for a serious law firm is typically 7-10 years.
The headless CMS market alone is projected to grow from $3.94 billion in 2026 to $22.28 billion by 2034, expanding at over 21% annually. This growth reflects something important: organizations across industries are recognizing that the CMS layer is critical infrastructure, not a commodity decision.
This article is part of our series on designing websites for law firms. For the technical foundations of any law firm website project, see our guide on website technology: what to build on in 2026. For the broader principles that inform every decision we make, see law firm website design: 5 things that actually matter.
Three real-world examples illustrate what happens when CMS choice goes wrong.
A mid-sized commercial firm with 80 attorneys. They built their website on WordPress in 2019 because the marketing team was familiar with it. By 2024, they had 47 plugins installed to handle different content types, integrations, and security functions. A vulnerability in one of those plugins led to a breach. The firm spent several months on incident response and paid more in incident remediation than the entire original website project had cost.
A boutique disputes firm. They built a beautiful Webflow site that worked perfectly for their first two years. As the firm grew to 25 attorneys and started publishing weekly legal alerts, the limitations of Webflow's content workflow became unworkable. They migrated to a custom CMS - work that could have been avoided with a different initial choice.
A legacy firm that built their website on a proprietary CMS in 2014 from a now-defunct legal marketing vendor. Twelve years later, they cannot move off the platform without rebuilding from scratch. Every content update requires a support ticket.
These are typical outcomes of treating CMS choice as a tactical decision rather than an architectural one.
CMS choice is not a technology question. It is a governance question that determines who can do what, how the website integrates with the firm's systems, and how the firm's risk exposure changes over time.
Before evaluating any specific CMS, four criteria should be applied to determine what category of CMS is right for the firm.
How often does the firm publish? Who is doing the publishing? A solo practitioner publishing one blog post per quarter has very different requirements from a 200-attorney firm publishing daily legal alerts across 12 jurisdictions and three languages.
The relevant questions: How many people will be creating content? How many will be reviewing and approving? Are they all in one office or distributed? Do they need real-time collaboration, or asynchronous editing? Is there a content governance workflow (draft → editor review → partner approval → publication), or do attorneys publish directly?
A firm with high content velocity and complex governance needs a CMS designed for editorial workflows. A firm with low content velocity can use almost anything that works.
What other systems does the website need to talk to? As we documented in our guide to law firm CRM integration, the modern law firm website is part of a connected ecosystem - CRM, email marketing, practice management, intake automation, analytics. The CMS choice determines how easy or painful these integrations will be.
A traditional CMS like WordPress integrates with marketing tools through plugins (each adding maintenance overhead and security risk). A headless CMS integrates through APIs - cleaner, more maintainable, more secure, but requires developer involvement. A custom CMS integrates however the firm builds it, which gives maximum control at maximum cost.
What is the firm's threat model? A boutique trusts and estates firm has different exposure than an international disputes firm whose website has occasionally been targeted by state actors. What compliance frameworks apply - GDPR for EU clients, state privacy laws for US firms, attorney-client privilege at all times?
The right CMS choice respects the firm's actual risk profile. A platform that requires installing 30+ plugins to function (each a potential vulnerability) is acceptable for a hobbyist blog and unacceptable for a firm whose clients trust it with confidential information.
What does the website cost to own over 5-7 years - not just to build? Total cost includes initial development, hosting, ongoing maintenance, security patching, plugin updates, vendor lock-in costs, migration costs when (not if) the platform is replaced.
A "free" WordPress installation can cost $65,000+ over five years when realistic maintenance, security, and migration costs are included. A "expensive" enterprise SaaS like Contentful can be cheaper if it eliminates the need for a dedicated DevOps function. Total cost is what matters.
Once these criteria are applied, every law firm's CMS choice falls into one of three architectural categories.
The classic model: the CMS, the database, and the frontend rendering live in a single integrated system. WordPress is the dominant example. Drupal and Joomla are alternatives. Specialized legal platforms like LawLytics, RubyLaw, and Clio Grow fit here too.
How it works: The CMS controls everything from content storage to URL rendering. The "theme" determines how content displays. Plugins extend functionality. Authors write in an admin panel that directly produces the published page.
When it fits: Solo practitioners and small firms with low content velocity, limited integration needs, no specific compliance requirements, and a preference for minimizing technical complexity.
When it does not: Mid-sized and large firms with editorial workflows, integration requirements, security-sensitive client data, or growth ambitions that will eventually outgrow the platform's constraints.
A modern architecture that separates content management from content presentation. The CMS becomes a content API. The frontend (built in React, Next.js, Vue, or similar) consumes that API and renders the website. Editors work in the CMS interface; visitors see a separately-built website.
Strapi, Sanity, Contentful, Payload CMS, and similar platforms fit this category.
How it works: Content is stored in a structured, framework-agnostic way. Multiple frontends (website, mobile app, partner portals) can consume the same content. Updates flow through APIs in real time. Security boundaries are clearer because the CMS is not directly exposed to public visitors.
When it fits: Most mid-sized and large law firms in 2026. Particularly firms with multi-jurisdictional content, integration requirements, governance workflows, or any meaningful security posture.
When it does not: Solo practitioners or very small firms where the architectural overhead exceeds the benefits. Firms without access to development resources for the initial build.
A CMS built specifically for the firm, on a foundation appropriate to the firm's requirements. Not a fork of an existing CMS - a system designed from scratch.
How it works: The CMS implements exactly the workflows, content types, integrations, and governance requirements the firm needs. Nothing more, nothing less.
When it fits: Large firms with unique editorial workflows that no standard CMS supports. Firms whose website is part of a larger software ecosystem (such as institutional or government legal platforms). Firms with specific data residency, audit trail, or compliance requirements that off-the-shelf platforms cannot meet.
When it does not: Most firms. Custom CMS makes sense only when the firm's requirements genuinely cannot be met by existing platforms - which is rare. Building a custom CMS to do what Strapi or Sanity already does well is wasted investment.
The leading open-source headless CMS. Self-hosted or available as Strapi Cloud. Built on Node.js with PostgreSQL (recommended for production), MySQL/MariaDB, or SQLite.
The case for Strapi: complete data ownership (the firm controls where content is stored and how it is processed), strong content modeling capabilities, mature plugin ecosystem, active community, no vendor lock-in. Strapi 5 brought significant performance improvements through Vite integration. Strapi AI generates content models from text prompts, Figma designs, or existing frontends.
The case against Strapi: requires development resources to deploy and maintain. Self-hosting introduces operational overhead - research suggests self-hosted deployments require 45-48% more operational time than managed alternatives. Security patching alone can consume 300-1,300 hours annually per team member without proper tooling.
The right fit: firms with development partners (whether internal or agency-based) who want full control over their content infrastructure. Particularly firms with data residency requirements, multi-language needs, or content workflows that benefit from Strapi's flexibility.
Positions itself as a "Content Operating System." Cloud-hosted, with a customizable React-based studio that the firm's team configures to match their workflows. Real-time collaboration with Google Docs-style simultaneous editing. Uses GROQ as a proprietary query language.
The case for Sanity: best-in-class real-time collaboration. Highly customizable editorial experience. Strong AI features including the Content Operations Agent for context-aware content management. Generous free tier (20 users, which exceeds most competitors' paid plans). Treats content as structured data rather than pages, which enables powerful querying patterns.
The case against Sanity: requires developers to extract value - the flexibility is real, but so is the setup investment. GROQ has a learning curve. Cloud-only model means firms with strict data residency requirements may need to look elsewhere.
The right fit: firms with strong development resources that want a future-proof content foundation, high editorial velocity, and willingness to invest in customizing the editor experience. Particularly good for firms producing large volumes of structured content (legal alerts, jurisdictional updates, multi-author publications).
The enterprise-grade incumbent in the headless CMS space. Fully managed SaaS with a global CDN, environment management (staging, production), and extensive enterprise integrations. Was one of the first headless CMS platforms on the market.
The case for Contentful: battle-tested enterprise infrastructure. Strong compliance certifications and security posture. Excellent localization support for firms with complex multi-language requirements. Mature integration ecosystem with tools like Vercel, Netlify, and major analytics platforms.
The case against Contentful: pricing scales rapidly. The free plan is limited (25,000 records, 2 locales). Enterprise plans can reach $81,000/year for serious deployments. Less flexible than Sanity for custom editorial workflows. Increasingly viewed as the conservative choice rather than the innovative one.
The right fit: large international firms with complex localization requirements, formal compliance audits, and the budget to support enterprise SaaS pricing. Firms where reliability and proven scale matter more than customization speed.
A newer entrant, gaining significant adoption among teams building on Next.js. Open-source, TypeScript-native, with an admin panel built in React. Schema-as-code approach where content types generate full TypeScript types automatically.
The case for Payload: excellent developer experience for Next.js teams. Strong TypeScript integration. Self-hosted with full data ownership. Increasingly framework-agnostic (works with Remix, Astro, SvelteKit). The Lexical-based rich text editor is solid.
The case against Payload: ecosystem is younger than Strapi or Sanity. Fewer plugins, fewer community tutorials, fewer Stack Overflow answers. Best DX is still on Next.js - other frameworks feel like second-class citizens.
The right fit: firms whose website is built on Next.js and whose development partner is comfortable with code-first workflows.
The dominant traditional CMS, powering a significant portion of the web. Open-source with an enormous plugin ecosystem.
The case for WordPress: large talent pool of WordPress developers. Familiar to most marketing teams. Cheap to start. Specialized legal WordPress vendors (PaperStreet, RubyLaw) offer law-firm-specific themes and management.
The case against WordPress in 2026: the security profile has deteriorated. Plugin vulnerabilities dominate the threat landscape - 7,966 new security flaws were disclosed in 2024 alone, approximately 22 per day. AI-driven brute force attacks increased 45% since early 2025. The Mossack Fonseca breach (the Panama Papers, the largest legal data leak in history) was attributed in part to WordPress and Drupal vulnerabilities. Maintaining a secure WordPress installation requires continuous attention to plugin updates, vulnerability patches, and security tooling - an ongoing cost most firms underestimate.
The 2024-2025 conflict between Automattic (WordPress's parent company) and WP Engine introduced additional uncertainty: blocked access to updates, public disclosure of unpatched vulnerabilities, contested plugin ownership. These are the kinds of supply-chain risks that no responsible CTO wants in their stack.
The right fit: solo practitioners and very small firms with low security exposure, simple content needs, and no plans to grow beyond a basic informational website. For corporate firms whose clients trust them with confidential information, WordPress in 2026 is increasingly hard to justify.
For firms with truly unique requirements, a custom CMS makes sense. We have built custom systems for clients whose needs no off-the-shelf platform could meet - including The Supreme Observer for the Supreme Court of Ukraine, where the editorial workflow, judicial review processes, and confidentiality requirements were unlike anything in the commercial CMS market.
The case for custom: exact fit to requirements. Complete control over data, workflows, integrations, and governance. No vendor dependency. No paying for features that are not used.
The case against custom: significantly higher upfront cost. Requires ongoing development capacity for maintenance and evolution. Without disciplined documentation, custom systems become legacy systems that future teams cannot maintain.
The right fit: institutional organizations, very large firms with unique workflows, or firms whose website is part of a larger software product ecosystem. Not most firms.
Several patterns explain why CMS decisions fail more often than they should.
The familiarity trap. The marketing team is comfortable with WordPress. The agency proposing the project knows WordPress. The choice gets made by default rather than by analysis. Six years later, the firm is paying for plugins, security patching, and eventual migration that better initial choice would have avoided.
The price illusion. Open-source platforms appear free. Enterprise SaaS appears expensive. Total ownership cost over the website's lifetime often inverts this comparison. A "free" WordPress site that consumes 10 hours per month in maintenance costs $50,000+ over five years at typical agency rates. A "$1,000/month" Contentful subscription that eliminates that maintenance can be cheaper in absolute terms.
The vendor lock-in surprise. Proprietary legal CMS platforms (the kind sold by legal marketing agencies) often look attractive because they bundle hosting, content support, and SEO services. The hidden cost: when the firm wants to leave, the data structure, content workflow, and URL architecture are owned by the vendor. Migration costs are often quoted in tens of thousands of dollars and months of work.
The "one-size" mistake. Choosing a CMS that is dramatically over-specified or under-specified for the firm. A 12-attorney boutique deploying enterprise Contentful pays for capacity it will never use. A 200-attorney international firm running on WordPress with 47 plugins is fighting its tools daily.
These recommendations reflect how we approach CMS selection for our own client projects.
For most: a headless CMS - typically Strapi - paired with a Next.js frontend, hosted on a managed infrastructure provider. Fast to deploy, easy to maintain, integrates cleanly with the firm's other tools, scales without re-platforming.
For very small firms with no development access: a managed solution from a legal-specific vendor, with awareness of the long-term lock-in costs.
A headless CMS, almost always. The question is which one. Strapi if data ownership and self-hosting matter. Sanity if real-time editorial collaboration matters. Contentful if the firm operates internationally and needs robust localization with formal SLAs.
WordPress at this size becomes increasingly hard to justify. The plugin overhead, security exposure, and integration friction outweigh the familiarity benefit.
Headless CMS with formal governance workflows, or custom-built if the firm has unique requirements. Sanity or Contentful are the typical choices in this range, with custom solutions reserved for genuinely unique cases.
For firms operating across many jurisdictions with strict data residency requirements, self-hosted Strapi (with infrastructure deployed regionally) often wins over cloud-only alternatives.
Almost always custom. The compliance, governance, and integration requirements typically exceed what commercial platforms can meet. We have built systems in this category for the Supreme Court of Ukraine and similar institutions, where the editorial workflow itself was a regulatory requirement that no off-the-shelf platform could implement.
We work with multiple CMS platforms depending on the project's requirements. The choice is always driven by the four criteria - never by familiarity or convenience.
For most law firm website projects, we recommend Strapi paired with a Next.js frontend. The combination delivers the right balance for serious legal practices: complete data ownership, modern developer experience, strong content modeling, clean integrations, and no vendor lock-in. Our own website, smotrow.com, runs on this stack.
For institutional projects with unique workflow requirements, we build custom CMS solutions. The Supreme Observer for the Supreme Court of Ukraine and the Legal Positions Database are both examples - systems where the editorial workflow itself was the product, and no commercial CMS could implement it.
We have evaluated Sanity, Contentful, and Payload CMS for client projects and recommend them where they are the right fit - they are excellent platforms when matched to the appropriate use case. We have not built law firm websites on WordPress in several years and do not expect to.
What we recommend against, regardless of category: proprietary legal CMS platforms with opaque vendor lock-in, no-code visual builders for any firm beyond a few attorneys, and stitching together multiple tools through plugins rather than choosing one platform that fits.
The right CMS for a law firm website is the one that matches the firm's content velocity, integration requirements, security posture, and long-term ownership tolerance. There is no universal answer.
For most corporate law firms in 2026, that points to a modern headless CMS - typically Strapi, Sanity, or Contentful depending on the firm's specific situation - paired with a custom-built frontend on a modern framework. For boutique firms, simpler is better, but "simple" should not mean "vulnerable" or "locked-in." For institutional and government legal organizations, custom solutions remain the only option that can meet the requirements.
The choice deserves more thought than most firms give it. The website built on this CMS will likely run for 7-10 years. The decisions made at the start determine what is possible during all of that time.
This article is part of our series on designing websites for law firms. For the technical foundation that supports any CMS choice, see our guide on website technology: what to build on in 2026. For when and how to migrate from a legacy CMS without losing search visibility, see our website migration guide. For when to consider a redesign altogether, see our redesign guide. For how to choose the agency that will implement the choice, see our guide on choosing a law firm website design agency.
